Landscape Architecture
Studio 1515 provides beautiful and unique landscape environments.
Our plans reflect our clients’ visions and goals, meet or exceed sustainability criteria to protect our natural resources and can be built and function in the real world.
Studio 1515 is experienced in custom residential, hospitality, public projects including streetscapes, design guidelines, river restoration and MWELO and accessibility compliance.
Woman-Owned & Small Business
Studio 1515 Landscape Architecture is a woman-owned, small business located in downtown Napa.
Studio 1515 is a dedicated group of professionals including licensed landscape architects, a Certitifed Access Specialist (CASp), a ReScape Professional (formerly Bay Friendly) and a Qualified Firewise Professional. We are uniquely positioned and qualified to provide fully integrated and coordinated landscape architectural services including, but not limited to:
- Conceptual plans
- Construction documents & administration
- MWELO Compliance & Calculations
- Firewise landscapes
- Drought tolerant landscapes
- Stormwater bioretention areas
- CASp services – plan review, site inspections and CASp reports
The Studio 1515 Team
Susan Heiken
Susan Heiken

Susan Heiken, President
Susan founded Studio 1515 in 2018 and manages the daily operations and long-range planning of the firm.
Susan has over 25 years of experience in landscape architecture. Susan has collaborated on a diverse range of projects throughout her career including San Francisco’s Union Square, Santana Row, housing subdivisions, commercial and hospitality projects, custom residences, the Downtown Napa Specific Plan, Napa Riverfront Promenade, Downtown Napa First Street.
Susan is also a CASp (Certified Access Specialist) and provides plan review and inspections for construction-related accessibility compliance.
Registered Professional Landscape Architect California #6296
Certified Access Specialist (CASp) #923
Rachel Brinkerhoff
Rachel Brinkerhoff

Rachel Brinkerhoff started her career in 2003 after graduating with a Bachelor’s of Landscape Architecture from California Polytechnic State University, San Luis Obispo. She’s been involved with and managed a very diverse range of projects including hotels, estate homes, wineries, public and private parks, the Sacramento International Airport, subdivisions and commercial projects.
Rachel’s proficiencies include conceptual design, design development, construction documents and specifications, managing complex projects, and coordinating with other consultants. Rachel specializes in planting design, MWELO compliance, BASMAA, firewise landscapes, and native plants. She is a licensed landscape architect and has been a Bay Area Qualified Professional since 2016 and Firescaping Qualified Professional since 2020.
Ted Buck
Ted Buck
Derek Perez
Derek Perez
Derek Perez graduated from the University of California, Davis with a Bachelor of Science in Landscape Architecture. Before joining the firm, Derek worked at a plant nursery where he developed a strong foundation in plant knowledge and maintenance practices tailored to local landscape conditions.
Studio 1515 Capability Statement
Capability Statement
Capability Statement